{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:35.022944", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2022-Feb-23_to_2022-Feb-27_151.0_-27.5"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2022020000941}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "February 23 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 27 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 82161.87401872425}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": []}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": -27.5}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 151.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "151.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 153.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -29.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[148.5, -26.25], [148.75, -26.35], [148.82, -26.32], [148.97, -25.97], [149.5, -25.75], [149.75, -25.85], [150.0, -25.75], [150.53, -25.97], [150.68, -26.32], [150.75, -26.35], [151.0, -26.25], [151.25, -26.35], [151.5, -26.25], [152.0, -26.46], [152.5, -26.25], [153.03, -26.47], [153.18, -26.82], [153.53, -26.97], [153.75, -27.5], [153.53, -28.03], [153.18, -28.18], [153.03, -28.53], [152.5, -28.75], [152.25, -28.65], [152.0, -28.75], [151.75, -28.65], [151.5, -28.75], [151.0, -28.54], [150.68, -28.68], [150.65, -28.75], [150.75, -29.0], [150.53, -29.53], [150.0, -29.75], [149.75, -29.65], [149.5, -29.75], [148.97, -29.53], [148.82, -29.18], [148.47, -29.03], [148.25, -28.5], [148.35, -28.25], [148.25, -28.0], [148.35, -27.75], [148.32, -27.68], [147.97, -27.53], [147.75, -27.0], [147.97, -26.47], [148.5, -26.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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21.64581995806742, 19.371038993867387, 19.29484169371284, 19.066380829019124]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-3.0973962238628587, -3.1266689349408177, -3.4202697013001133, -3.675078275001871, -2.8783520679704586]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.3469785508076484, -3.6495586413726073, -4.349603991682329, -4.691656290890592, -3.5803217169788013]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.2618996584455593, -1.3455039301227592, -1.6041944918479705, -1.7083507411712007, -1.587757216811374]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.355395891393246, -1.704735165057007, -2.088828264647617, -2.213162627695558, -1.8187314600835205]}}